[dns|dynect] fixes to play nice with mocked test runs

lib/fog/dns/dynect.rb

@@ -24,6 +24,13 @@ module Fog
       request :put_zone
 
       class Mock
+
+        def initialize(options={})
+          @dynect_customer = options[:dynect_customer]
+          @dynect_username = options[:dynect_username]
+          @dynect_password = options[:dynect_password]
+        end
+
       end
 
       class Real

tests/dns/requests/dynect/dns_tests.rb

@@ -1,5 +1,7 @@
 Shindo.tests('Dynect::dns | DNS requests', ['dynect', 'dns']) do
 
+  pending if Fog.mocking?
+
   shared_format = {
     'job_id' => Integer,
     'msgs' => [{